Tree stand



FIG. 1 is a perspective view of a tree stand showing my new design, the broken line showing of the tree is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view of the tree stand shown in FIG. 1;

FIG. 3 is a rear elevational view of the tree stand shown in FIG. 1;

FIG. 4 is a side elevational view of the tree stand shown in FIG. 1 the opposite side being a mirror image thereof;

FIG. 5 is a top plan view of the tree stand shown in FIG. 1;

FIG. 6 is a bottom plan view of the tree stand shown in FIG. 1; and,

FIG. 7 is a side elevational view of the tree stand of FIG. 1 shown in folded configuration. 

The ornamental design for a tree stand, as shown and described. 